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Anti-corrosion of Valve Surfaces in the Petrochemical Industry

Nov 28, 2023

1. Overview The petrochemical industry is the pillar industry in China. Most large petrochemical companies have been built in coastal areas in recent years due to raw material transportation and product...

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Structural Features of Double Shut-off Plug Valves

Nov 20, 2023

Structural characteristics of double cut-off plug valves The double shut-off plug valve is designed for dedicated occasions with strict requirements for sealing and cutting off (Figure 1). The plug valve...

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Analysis of the Causes of Cracking of Main Steam Pipe Globe Valves

Nov 14, 2023

The main steam pipe globe valve is made from cast carbon steel, and approximately 900kg. Through macroscopic inspection and surface flaw detection, it was found that the valve body had defects such as...

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Detecting Cracks of Main Steam Pipe Globe Valves

Nov 03, 2023

In recent years, many accidents have occurred in the steam pipelines of combined thermal and power boilers and enterprise-owned power station boilers, causing great economic losses and social impacts...

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Hardening Process of Metal-seated Ball Valves

Oct 27, 2023

1. Overview Metal seated ball valves should be elected for high-viscosity fluids, mixed fluids with dust and solid particles, highly corrosive fluids and other media in thermal power plants, petrochemical...

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Lifting Plug Valves

Oct 19, 2023

Lifting plug valves have various structural forms. Lifting plug valves are divided into soft seated plug valves and hard seated plug valves according to the material of the sealing surface. The basic...

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Pneumatic Valves Used in Cement Companies

Oct 16, 2023

Pneumatic valves have revolutionized the cement industry, providing efficient and reliable control over various processes. These valves play a crucial role in regulating the flow of materials, such as...

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Electric Valves Used in Cement Companies

Oct 05, 2023

Electric valves are an essential component in cement companies, playing a crucial role in the efficient and automated operation of various processes. These valves are designed to control the flow of different...

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Key Points for Selecting Chemical Valves

Sep 27, 2023

1.1 Selection of valve types ①Determine the corresponding nominal pressure based on the three conditions, namely temperature, pressure, and materials, which must meet the requirement for the nominal pressure...

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